Sentences with phrase «glacial maximum when»

At the last glacial maximum when CO2 and precipitation was much lower, the number of trees would have only been 5 % to 10 % of these numbers.

It is a very interesting thought experiment to ask what the plight of climate modellers would be if industrial civilization had arisen earlier, somewhat after the Last Glacial Maximum when D - O events were common and maybe even the Younger Dryas was looming.

During the Last Glacial Maximum when the Earth was much colder, closed - basin lakes in currently dry parts of western North America, the Middle East and South America were much larger than they are now, as evidenced by radiocarbon dating and other testing of their ancient shorelines.

Not exact matches

The last glacial maximum was about 18,000 years ago, when the Patagonian ice sheet expands to include about 10 meters [33 feet] of global sea level.

In contrast, in slightly wetter parts of Mongolia the largest glaciers did date from the ice age but reached their maximum lengths tens of thousands of years earlier in the glacial period rather than at its culmination, around 20,000 years ago, when glaciers around most of the planet peaked.

The sediment cores used in this study cover a period when the planet went through many climate cycles driven by variations in Earth's orbit, from extreme glacial periods such as the Last Glacial Maximum about 20,000 years ago, when massive ice sheets covered the northern parts of Europe and North America, to relatively warm interglacial periods with climates more like tglacial periods such as the Last Glacial Maximum about 20,000 years ago, when massive ice sheets covered the northern parts of Europe and North America, to relatively warm interglacial periods with climates more like tGlacial Maximum about 20,000 years ago, when massive ice sheets covered the northern parts of Europe and North America, to relatively warm interglacial periods with climates more like today's.

At the end of the last glacial maximum, when ice sheets reached their maximum extent 20,000 to 25,000 years ago, the ice covering Antarctica was even thicker than it is today.

But it is far from obvious that the climate's sensitivity to GHG forcing must be the same today as it was at the glacial maximum, when conditions were very different.

We've had both situations in the past — «Amsterdam» under ice about 20,000 years ago at the last glacial maximum, and «Amsterdam» under water in the Pliocene, 3 million years ago, when CO2 and sea level were higher than today.

There were two CLIMAP experiments to reconstruct past climates, one at the Last Glacial Maximum (LGM) 18,000 years ago when sea level was about 120 meters lower than today, and one at the Last Interglacial Maximum (LIM) 125,000 years ago when sea level was about 6 meters higher than today.

The Last Glacial Maximum is a period when ice sheets during the last northern hemisphere ice age were at their highest extent.

When a large ice sheet grows in a location, such as happened at the Last Glacial Maximum (LGM) about 20,000 years ago, the weight of the ice deforms the solid Earth beneath it.

Let's put more distance between ourselves and the last glacial maximum, when great ice sheets stretched over the USA and Europe.

You can also see that coming off the last glacial maximum, the lake warmed, as did the rest of the Earth, then when the temperature dropped during the Younger Dryas, so did the temperature of the lake.

Last glacial maximum was the period in the history of the planet when ice sheets covered significant part of the Northern hemisphere.

Therefore we can work backward in time to estimate what he reckons atmospheric CO2 would be at the time of the last Ice Age (glacial maximum), a time when global temperatures were about 4 - 6 °C cooler than now.

It's perfectly clear to me what the error is here: Guy is arguing, falsely, that the last glacial maximum is when anthropogenic warming commenced.